package pro.shuangxi.model.book.mapper;

import org.apache.ibatis.annotations.Select;

import java.util.Map;

/**
 * @author ：mengshx
 * @date ：Created in 2020/12/23 19:31
 * @description：
 */
public interface CommonMapper {
    @Select("SELECT * FROM book,account WHERE book.owner=account.id")
     Map test();
}
